package com.xh.petdogexpert.sys.interceptor;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import com.xh.petdogexpert.sys.dto.Resource;
import com.xh.petdogexpert.sys.dto.Role;
import com.xh.petdogexpert.user.dto.User;

public class LoginInterceptor implements HandlerInterceptor {

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler)
			throws Exception {
//		
//		User user = new User();
//		user.setId(1);
//		user.setNickname("xxin");
//		user.setPassword("admin");
//		Role role = new Role();
//		role.setId(1);
//		role.setResources(new ArrayList<Resource>());
//		user.setRole(role);
//		request.getSession().setAttribute("user", user);
		
		if (request.getSession().getAttribute("user") == null && !request.getServletPath().equals("/base/login.html")) {
			response.sendRedirect(request.getContextPath() + "/base/login.html");
			return false;
		} else if (request.getSession().getAttribute("user") != null && request.getServletPath().equals("/base/login.html")) {
			//如果是在login界面，并且已经登录，那么久跳转到index页面
			response.sendRedirect(request.getContextPath() + "/index.html");
			return false;
		} 
		else {
			return true;
		}
	}

	@Override
	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
			ModelAndView modelAndView) throws Exception {
		// TODO Auto-generated method stub

	}

	@Override
	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex)
			throws Exception {
		// TODO Auto-generated method stub

	}

}
